{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment", "Treatment.Freq", "Subject", "Subject.Gender", "Subject.Disorder", "Treatment.Duration", "Treatment.Time_elapsed", "Effect", "Subject.Age", "Subject.Population", "Treatment.Route", "Combination.Drug", "Subject.Race"]}], "input": "He had been taking trimethoprim-sulfamethoxazole for approximately eight days when he revisited his family physician, complaining of headaches, dizziness, difficulty with speech, weakness, and itching on the trunk of his body and legs, where a maculopapular rash was noted."}
{"potential therapeutic event": []}